Over the summer of 2013 I created a Portal 2 level called HardRiff. In the fall, when I came back to it, I realised it was much too hard and was filled with too much stuff. So I split it conceptually into four levels. These are those levels.

Freya's Chambers

Collection by: LIMITED PIXEL

bweh

Zsomi8 Testchambers

Collection by: Zsomi8 [HUN]

I just buyed Portal 2 and I saw there is an option of making own maps. (I only maked singleplayer maps but I gonna make coop maps.) I tried it and I think my maps are not bad, please try them and rate! ( I'm hungarian, magyar vagyok :D )

My Rage Submissions -xzAsiankidzx

Collection by: xzAsiankidzx

My Submissions For Ragegamingvideos Go Check Out His Channel

portal 2

Collection by: MonocleMustacheMan

When Science Goes Wrong

Collection by: Issac Freeman of Sopaland

This is a collection that includes all the When Science Goes Wrong levels
And no, theres no zombies sorry l4d fans

ERC - Emergency Repair Crew

Collection by: Bloodspeaker1

These test chambers showcase the efforts of the Emergency Repair Crew, the brave lunatics who maintained the early Aperture Labs facilities.